[ https://issues.apache.org/jira/browse/HADOOP-13208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390344#comment-15390344 ]
Hadoop QA commented on HADOOP-13208: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 19s{color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s{color} | {color:green} The patch appears to include 10 new or modified test files. {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 10m 59s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 1s{color} | {color:green} branch-2 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 50s{color} | {color:green} branch-2 passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 28s{color} | {color:green} branch-2 passed with JDK v1.7.0_101 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 25s{color} | {color:green} branch-2 passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 40s{color} | {color:green} branch-2 passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 44s{color} | {color:green} branch-2 passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 53s{color} | {color:green} branch-2 passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 17s{color} | {color:green} branch-2 passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 32s{color} | {color:green} branch-2 passed with JDK v1.7.0_101 {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 17s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 39s{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 39s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 28s{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 28s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 1m 25s{color} | {color:orange} root: The patch generated 15 new + 62 unchanged - 52 fixed = 77 total (was 114) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 48s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 53s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s{color} | {color:red} The patch has 49 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 35s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 28s{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 43s{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 44s{color} | {color:green} hadoop-common in the patch passed with JDK v1.7.0_101. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 20s{color} | {color:green} hadoop-openstack in the patch passed with JDK v1.7.0_101. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 22s{color} | {color:green} hadoop-aws in the patch passed with JDK v1.7.0_101. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 29s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}107m 56s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:b59b8b7 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12819725/HADOOP-13208-branch-2-017.patch | | JIRA Issue | HADOOP-13208 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux b0e5d669296c 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | branch-2 / 2f1e352 | | Default Java | 1.7.0_101 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_91 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_101 | | findbugs | v3.0.0 | | checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/10065/artifact/patchprocess/diff-checkstyle-root.txt | | whitespace | https://builds.apache.org/job/PreCommit-HADOOP-Build/10065/artifact/patchprocess/whitespace-eol.txt | | JDK v1.7.0_101 Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/10065/testReport/ | | modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-openstack hadoop-tools/hadoop-aws U: . | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/10065/console | | Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > S3A listFiles(recursive=true) to do a bulk listObjects instead of walking the > pseudo-tree of directories > -------------------------------------------------------------------------------------------------------- > > Key: HADOOP-13208 > URL: https://issues.apache.org/jira/browse/HADOOP-13208 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3 > Affects Versions: 2.8.0 > Reporter: Steve Loughran > Assignee: Steve Loughran > Priority: Minor > Attachments: HADOOP-13208-branch-2-001.patch, > HADOOP-13208-branch-2-007.patch, HADOOP-13208-branch-2-008.patch, > HADOOP-13208-branch-2-009.patch, HADOOP-13208-branch-2-010.patch, > HADOOP-13208-branch-2-011.patch, HADOOP-13208-branch-2-012.patch, > HADOOP-13208-branch-2-017.patch > > Original Estimate: 24h > Remaining Estimate: 24h > > A major cost in split calculation against object stores turns out be listing > the directory tree itself. That's because against S3, it takes S3A two HEADs > and two lists to list the content of any directory path (2 HEADs + 1 list for > getFileStatus(); the next list to query the contents). > Listing a directory could be improved slightly by combining the final two > listings. However, a listing of a directory tree will still be > O(directories). In contrast, a recursive {{listFiles()}} operation should be > implementable by a bulk listing of all descendant paths; one List operation > per thousand descendants. > As the result of this call is an iterator, the ongoing listing can be > implemented within the iterator itself -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org